Solid Rubber Ball for Industry 1.Application:Widely used in round screen 2. ... ,19mm,22mm,24mm Solid Rubber Ball for Industry (not inflatable):1. Size: φ16mm, φ19mm, φ22mm, φ24mm, φ26mm, 28mm,32mm, φ35mm, φ40mm, φ50mm ... ~1.5For more details, please view our website! Solid Rubber Ball for Industry (not inflatable)